Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-03-20
Phys.Rev. D63 (2001) 086002
Physics
High Energy Physics
High Energy Physics - Theory
10 pages, harvmac. v2: a ref. and a note added; v3: A remark and one more ref. added
Scientific paper
10.1103/PhysRevD.63.086002
The recently proposed remarkable mechanism explaining ``stringy exclusion principle" on an Anti de Sitter space is shown to be another beautiful manifestation of spacetime uncertainty principle in string theory as well as in M theory. Put in another way, once it is realized that the graviton of a given angular momentum is represented by a spherical brane, we deduce the maximal angular momentum directly from either the relation $\Delta t\Delta x^2>l_p^3$ in M theory or $\Delta t\Delta x>\ap$ in string theory. We also show that the result of hep-th/0003075 is similar to results on D2-branes in SU(2) WZW model. Using the dual D2-brane representation of a membrane, we obtain the quantization condition for the size of the membrane.
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